\[ Q_{m,\ell}(x) = W^{q}_{m,\ell}x + b^{q}_{m,\ell} \] \[ K_{m,\ell}(x) = W^{k}_{m,\ell}x + b^{k}_{m,\ell} \] \[ V_{m,\ell}(x) = W^{v}_{m,\ell}x + b^{v}_{m,\ell} \]